bt-oal/oal-adapter-mgr.c

   1 /*
   2  * Open Adaptation Layer (OAL)
   3  *
   4  * Copyright (c) 2014-2015 Samsung Electronics Co., Ltd.
   5  *
   6  * Licensed under the Apache License, Version 2.0 (the "License");
   7  * you may not use this file except in compliance with the License.
   8  * You may obtain a copy of the License at
   9  *
  10  * http://www.apache.org/licenses/LICENSE-2.0
  11  *
  12  * Unless required by applicable law or agreed to in writing, software
  13  * distributed under the License is distributed on an "AS IS" BASIS,
  14  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  15  * See the License for the specific language governing permissions and
  16  * limitations under the License.
  17  *
  18  */
  19
  20 #include <stdio.h>
  21 #include <stdlib.h>
  22 #include <dlog.h>
  23 #include <string.h>
  24 #include <vconf.h>
  25 #include <sys/wait.h>
  26
  27 #include <bluetooth.h>
  28
  29 #include "oal-event.h"
  30 #include "oal-internal.h"
  31 #include "oal-manager.h"
  32 #include "oal-hardware.h"
  33 #include "oal-common.h"
  34 #include "oal-utils.h"
  35
  36 #define CHECK_MAX(max, x) (((max) > (x)) ? (x) : (max))
  37
  38 static const bt_interface_t * blued_api;
  39
  40 static bt_address_t local_address;
  41 static char local_name[BT_DEVICE_NAME_LENGTH_MAX + 1] = {'O', 'A', 'L', 0};
  42 static char local_version[BT_VERSION_STR_LEN_MAX + 1];
  43 static bt_scan_mode_t scan_mode = BT_SCAN_MODE_NONE;
  44 static int discoverable_timeout = 0;
  45
  46 /* Forward declarations */
  47 oal_status_t convert_to_oal_status(bt_status_t status);
  48 static gboolean retry_enable_adapter(gpointer data);
  49 oal_status_t oal_mgr_init_internal(void);
  50
  51
  52 /* Callback registered with Stack */
  53 static void cb_adapter_state_change(bt_state_t status);
  54 static void cb_adapter_discovery_state_changed(bt_discovery_state_t state);
  55 static void cb_adapter_device_found(int num_properties, bt_property_t *properties);
  56 static void cb_adapter_properties (bt_status_t status,
  57                 int num_properties, bt_property_t *properties);
  58
  59 static bt_callbacks_t callbacks = {
  60         sizeof(callbacks),
  61         cb_adapter_state_change,
  62         cb_adapter_properties,
  63         NULL, /* remote_device_properties_callback */
  64         cb_adapter_device_found,
  65         cb_adapter_discovery_state_changed,
  66         NULL, /* pin_request_callback */
  67         NULL, /* ssp_request_callback */
  68         NULL, /* bond_state_changed_callback */
  69         NULL, /* acl_state_changed_callback */
  70         NULL, /* callback_thread_event */
  71         NULL, /* dut_mode_recv_callback */
  72         NULL, /* le_test_mode_callback*/
  73         NULL, /* energy_info_callback */
  74 };
  75
  76 oal_status_t adapter_mgr_init(const bt_interface_t * stack_if)
  77 {
  78         int ret;
  79         blued_api = stack_if;
  80
  81         ret = blued_api->init(&callbacks);
  82
  83         if (ret != BT_STATUS_SUCCESS) {
  84                 BT_ERR("Adapter callback registration failed: [%s]", status2string(ret));
  85                 blued_api->cleanup();
  86                 return convert_to_oal_status(ret);
  87         }
  88
  89         return OAL_STATUS_SUCCESS;
  90 }
  91
  92 const bt_interface_t* adapter_get_stack_interface(void)
  93 {
  94         return blued_api;
  95 }
  96
  97 void adapter_mgr_cleanup(void)
  98 {
  99         /* Nothing to clean yet , do not set blued_api NULL as it will be used to clean Bluedroid states */
 100         BT_DBG();
 101 }
 102
 103 oal_status_t adapter_enable(void)
 104 {
 105         int ret = BT_STATUS_SUCCESS;
 106
 107         API_TRACE();
 108         CHECK_OAL_INITIALIZED();
 109         if (OAL_STATUS_SUCCESS != hw_is_module_ready()) {
 110                 g_timeout_add(200, retry_enable_adapter, NULL);
 111                 return OAL_STATUS_PENDING;
 112         }
 113
 114         ret = blued_api->enable();
 115
 116         if (ret != BT_STATUS_SUCCESS) {
 117                 BT_ERR("Enable failed: [%s]", status2string(ret));
 118                 return convert_to_oal_status(ret);
 119         }
 120
 121         return OAL_STATUS_SUCCESS;
 122 }
 123
 124 oal_status_t adapter_disable(void)
 125 {
 126         int ret;
 127
 128         API_TRACE();
 129
 130         CHECK_OAL_INITIALIZED();
 131
 132         ret = blued_api->disable();
 133
 134         if (ret != BT_STATUS_SUCCESS) {
 135                 BT_ERR("Disable failed: [%s]", status2string(ret));
 136                 return convert_to_oal_status(ret);
 137         }
 138         return OAL_STATUS_SUCCESS;
 139 }
 140
 141 oal_status_t adapter_start_inquiry(void)
 142 {
 143         int ret;
 144
 145         API_TRACE();
 146
 147         CHECK_OAL_INITIALIZED();
 148
 149         ret = blued_api->start_discovery();
 150         if (ret != BT_STATUS_SUCCESS) {
 151                 BT_ERR("start_discovery failed: [%s]", status2string(ret));
 152                 return convert_to_oal_status(ret);
 153         }
 154
 155         return OAL_STATUS_SUCCESS;
 156 }
 157
 158 oal_status_t adapter_stop_inquiry(void)
 159 {
 160         int ret;
 161
 162         API_TRACE();
 163
 164         CHECK_OAL_INITIALIZED();
 165
 166         ret = blued_api->cancel_discovery();
 167         if (ret != BT_STATUS_SUCCESS) {
 168                 BT_ERR("cancel_discovery failed: [%s]", status2string(ret));
 169                 return convert_to_oal_status(ret);
 170         }
 171
 172         return OAL_STATUS_SUCCESS;
 173 }
 174
 175 /* Callbacks from Stack */
 176 static void cb_adapter_state_change(bt_state_t status)
 177 {
 178         BT_DBG("+");
 179         oal_event_t event;
 180
 181         event = (BT_STATE_ON == status)?OAL_EVENT_ADAPTER_ENABLED:OAL_EVENT_ADAPTER_DISABLED;
 182
 183         send_event(event, NULL, 0);
 184 }
 185
 186 static gboolean retry_enable_adapter(gpointer data)
 187 {
 188         adapter_enable();
 189         return FALSE;
 190 }
 191
 192 oal_status_t adapter_get_address(void)
 193 {
 194         int ret;
 195
 196         API_TRACE();
 197         CHECK_OAL_INITIALIZED();
 198
 199         ret = blued_api->get_adapter_property(BT_PROPERTY_BDADDR);
 200         if (ret != BT_STATUS_SUCCESS) {
 201                 BT_ERR("get_adapter_property failed: [%s]", status2string(ret));
 202                 return convert_to_oal_status(ret);
 203         }
 204
 205         return OAL_STATUS_SUCCESS;
 206 }
 207
 208 oal_status_t adapter_get_version(void)
 209 {
 210         int ret;
 211
 212         API_TRACE();
 213         CHECK_OAL_INITIALIZED();
 214
 215         ret = blued_api->get_adapter_property(BT_PROPERTY_VERSION);
 216         if (ret != BT_STATUS_SUCCESS) {
 217                 BT_ERR("get_adapter_property failed: [%s]", status2string(ret));
 218                 return convert_to_oal_status(ret);
 219         }
 220
 221         return OAL_STATUS_SUCCESS;
 222 }
 223
 224 oal_status_t adapter_get_name(void)
 225 {
 226         int ret;
 227
 228         CHECK_OAL_INITIALIZED();
 229
 230         API_TRACE();
 231
 232         ret = blued_api->get_adapter_property(BT_PROPERTY_BDNAME);
 233         if (ret != BT_STATUS_SUCCESS) {
 234                 BT_ERR("get_adapter_property failed: [%s]", status2string(ret));
 235                 return convert_to_oal_status(ret);
 236         }
 237
 238         return OAL_STATUS_SUCCESS;
 239 }
 240
 241 oal_status_t adapter_set_name(char * name)
 242 {
 243         int ret;
 244         bt_property_t prop;
 245
 246         CHECK_OAL_INITIALIZED();
 247
 248         OAL_CHECK_PARAMETER(name, return);
 249         API_TRACE("Name: %s", name);
 250
 251         prop.type = BT_PROPERTY_BDNAME;
 252         prop.len = strlen(name);
 253         prop.val = name;
 254
 255         ret = blued_api->set_adapter_property(&prop);
 256         if (ret != BT_STATUS_SUCCESS) {
 257                 BT_ERR("set_adapter_property: [%s]", status2string(ret));
 258                 ret = OAL_STATUS_INTERNAL_ERROR;
 259         } else
 260                 ret = OAL_STATUS_SUCCESS;
 261
 262         return ret;
 263 }
 264
 265 oal_status_t adapter_is_discoverable(int *p_discoverable)
 266 {
 267         OAL_CHECK_PARAMETER(p_discoverable, return);
 268
 269         *p_discoverable = (scan_mode == BT_SCAN_MODE_CONNECTABLE_DISCOVERABLE);
 270
 271         API_TRACE("%d", *p_discoverable);
 272
 273         return OAL_STATUS_SUCCESS;
 274 }
 275
 276 oal_status_t adapter_is_connectable(int *p_connectable)
 277 {
 278         OAL_CHECK_PARAMETER(p_connectable, return);
 279
 280         *p_connectable = (scan_mode == BT_SCAN_MODE_CONNECTABLE_DISCOVERABLE)
 281                 ||(scan_mode == BT_SCAN_MODE_CONNECTABLE);
 282
 283         API_TRACE("%d", *p_connectable);
 284
 285         return OAL_STATUS_SUCCESS;
 286 }
 287
 288 oal_status_t adapter_get_discoverable_timeout(int *p_timeout)
 289 {
 290         API_TRACE("%d", discoverable_timeout);
 291
 292         *p_timeout = discoverable_timeout;
 293
 294         return OAL_STATUS_SUCCESS;
 295 }
 296
 297 oal_status_t adapter_get_service_uuids(void)
 298 {
 299         int ret;
 300
 301         CHECK_OAL_INITIALIZED();
 302
 303         API_TRACE();
 304
 305         ret = blued_api->get_adapter_property(BT_PROPERTY_UUIDS);
 306         if (ret != BT_STATUS_SUCCESS) {
 307                 BT_ERR("get_adapter_property failed: [%s]", status2string(ret));
 308                 return convert_to_oal_status(ret);
 309         }
 310
 311         return OAL_STATUS_SUCCESS;
 312 }
 313
 314 static oal_status_t set_scan_mode(bt_scan_mode_t mode)
 315 {
 316         bt_property_t prop;
 317         int res;
 318
 319         BT_DBG("+");
 320
 321         CHECK_OAL_INITIALIZED();
 322
 323         prop.type = BT_PROPERTY_ADAPTER_SCAN_MODE;
 324         prop.len = sizeof(bt_scan_mode_t);
 325         prop.val = &mode;
 326         res = blued_api->set_adapter_property(&prop);
 327         if (res != BT_STATUS_SUCCESS) {
 328                 BT_ERR("set scan mode failed [%s]", status2string(res));
 329                 return convert_to_oal_status(res);
 330         }
 331
 332         BT_DBG("-");
 333         return OAL_STATUS_SUCCESS;
 334 }
 335
 336 oal_status_t adapter_set_connectable(int connectable)
 337 {
 338         bt_scan_mode_t mode;
 339
 340         API_TRACE("%d", connectable);
 341
 342         CHECK_OAL_INITIALIZED();
 343
 344         mode = connectable ? BT_SCAN_MODE_CONNECTABLE : BT_SCAN_MODE_NONE;
 345
 346         return set_scan_mode(mode);
 347 }
 348
 349 static void cb_adapter_properties(bt_status_t status,
 350                                                int num_properties,
 351                                                bt_property_t *properties)
 352 {
 353         int i;
 354
 355         BT_DBG("status: %d, count: %d", status, num_properties);
 356
 357         if (status != BT_STATUS_SUCCESS) {
 358                 if (num_properties == 1) {
 359                         BT_ERR("Adapter Prop failed: status: [%s], count: %d, prop: %d",
 360                                 status2string(status), num_properties, properties[num_properties-1].type);
 361                 } else {
 362                         BT_ERR("Adapter Prop failed: status: [%s], count: %d", status2string(status), num_properties);
 363                 }
 364                 return;
 365         }
 366
 367         for (i = 0; i < num_properties; i++) {
 368                 BT_DBG("prop type %d, len %d", properties[i].type, properties[i].len);
 369                 switch (properties[i].type) {
 370                 case BT_PROPERTY_VERSION: {
 371                         g_strlcpy(local_version, properties[i].val, BT_VERSION_STR_LEN_MAX);
 372                         local_version[properties[i].len] = '\0';
 373
 374                         BT_DBG("Version: %s", local_version);
 375                         /* Send event to application */
 376                         if (num_properties == 1) {
 377                                 char *adapter_ver = g_strdup(local_version);
 378
 379                                 /* Application has requested this property SET/GET hence send EVENT */
 380                                 send_event(OAL_EVENT_ADAPTER_PROPERTY_VERSION, adapter_ver, strlen(adapter_ver));
 381                         }
 382                         break;
 383                 }
 384                 case BT_PROPERTY_BDNAME: {
 385                         g_strlcpy(local_name, properties[i].val, BT_DEVICE_NAME_LENGTH_MAX);
 386                         local_name[properties[i].len] = '\0';
 387
 388                         BT_DBG("Name: %s", local_name);
 389                         /* Send event to application */
 390                         if (num_properties == 1) {
 391                                 char * adap_name = g_strdup(local_name);
 392
 393                                 /* Application has requested this property SET/GET hence send EVENT */
 394                                 send_event(OAL_EVENT_ADAPTER_PROPERTY_NAME, adap_name, strlen(adap_name));
 395                         }
 396                         break;
 397                 }
 398                 case BT_PROPERTY_BDADDR: {
 399                         bt_bdaddr_t * addr;
 400
 401                         addr =  properties[i].val;
 402                         memcpy(local_address.addr, addr->address, 6);
 403                         if (num_properties == 1) {
 404                                 /* Application has requested this property SET/GET hence send EVENT */
 405                                 send_event(OAL_EVENT_ADAPTER_PROPERTY_ADDRESS,
 406                                                 g_memdup(&local_address, sizeof(local_address)),
 407                                                 sizeof(local_address));
 408                         }
 409                         break;
 410                 }
 411                 case BT_PROPERTY_UUIDS: {
 412                         int num_uuid;
 413
 414                         num_uuid = properties[i].len/sizeof(bt_uuid_t);
 415
 416                         BT_DBG("num_uuid: %d", num_uuid);
 417
 418                         /* Send event to application */
 419                         if (num_properties == 1) {
 420                                 event_adapter_services_t *uuids_event;
 421
 422                                 uuids_event = g_malloc(sizeof(event_adapter_services_t) + properties[i].len);
 423                                 memcpy(uuids_event->service_list, properties[i].val, properties[i].len);
 424                                 uuids_event->num = num_uuid;
 425
 426                                 /* Application has requested this property SET/GET hence send EVENT */
 427                                 send_event(OAL_EVENT_ADAPTER_PROPERTY_SERVICES,
 428                                                 uuids_event, (num_uuid * sizeof(bt_uuid_t)));
 429                         }
 430                         break;
 431                 }
 432                 case BT_PROPERTY_ADAPTER_SCAN_MODE: {
 433                         bt_scan_mode_t cur_mode = *((bt_scan_mode_t *)properties[i].val);
 434
 435                         BT_INFO("Scan mode (%d)", cur_mode);
 436
 437                         scan_mode = cur_mode;
 438
 439                         /* Send event to application */
 440                         if (num_properties == 1) {
 441                                 oal_event_t event = OAL_EVENT_ADAPTER_MODE_NON_CONNECTABLE;
 442
 443                                 if (BT_SCAN_MODE_CONNECTABLE == cur_mode)
 444                                         event = OAL_EVENT_ADAPTER_MODE_CONNECTABLE;
 445                                 else if (BT_SCAN_MODE_CONNECTABLE_DISCOVERABLE == cur_mode)
 446                                         event = OAL_EVENT_ADAPTER_MODE_DISCOVERABLE;
 447
 448                                 /* Application has requested this property SET/GET hence send EVENT */
 449                                 send_event(event, NULL, 0);
 450                         }
 451                         break;
 452                 }
 453                 case BT_PROPERTY_ADAPTER_DISCOVERY_TIMEOUT: {
 454                         int timeout;
 455
 456                         timeout = *((uint32_t*)properties[i].val);
 457
 458                         BT_INFO("Discoverability timeout: %d", timeout);
 459                         discoverable_timeout = timeout;
 460
 461                         send_event(OAL_EVENT_ADAPTER_MODE_DISCOVERABLE_TIMEOUT,
 462                                         g_memdup(properties[i].val, sizeof(uint32_t)),
 463                                         sizeof(uint32_t));
 464                         break;
 465                 }
 466                 case BT_PROPERTY_ADAPTER_BONDED_DEVICES: {
 467                         int j;
 468                         int num_bonded;
 469                         bt_bdaddr_t *bonded_addr_list;
 470                         event_device_list_t *event_data;
 471
 472                         num_bonded = properties[i].len/sizeof(bt_bdaddr_t);
 473                         BT_DBG("num_bonded %d", num_bonded);
 474
 475                         if (num_properties > 1) /* No explicit req for this prop, ignore */
 476                                 break;
 477
 478                         bonded_addr_list = properties[i].val;
 479                         event_data = g_malloc(sizeof(event_device_list_t) + num_bonded*sizeof(bt_address_t));
 480                         event_data->num = num_bonded;
 481
 482                         for (j = 0; j < num_bonded; j++)
 483                                 memcpy(event_data->devices[j].addr, bonded_addr_list[j].address, 6);
 484
 485                         send_event(OAL_EVENT_ADAPTER_BONDED_DEVICE_LIST,
 486                                         event_data, (num_bonded * sizeof(bt_bdaddr_t)));
 487                         break;
 488                 }
 489                 default:
 490                          BT_WARN("Unhandled property: %d", properties[i].type);
 491                          break;
 492                 }
 493         }
 494 }
 495
 496 static void cb_adapter_discovery_state_changed(bt_discovery_state_t state)
 497 {
 498         oal_event_t event;
 499
 500         event = (BT_DISCOVERY_STARTED == state)?OAL_EVENT_ADAPTER_INQUIRY_STARTED:OAL_EVENT_ADAPTER_INQUIRY_FINISHED;
 501
 502         BT_DBG("%d", state);
 503         send_event(event, NULL, 0);
 504 }
 505
 506 static void cb_adapter_device_found(int num_properties, bt_property_t *properties)
 507 {
 508         remote_device_t dev_info;
 509         ble_adv_data_t adv_info;
 510         oal_event_t event;
 511         gpointer event_data;
 512         gsize properties_size = 0;
 513         BT_DBG("+");
 514
 515         if (num_properties == 0) {
 516                 BT_ERR("Unexpected, properties count is zero!!");
 517                 return;
 518         }
 519
 520         memset(&dev_info, 0x00, sizeof(remote_device_t));
 521         memset(&adv_info, 0x00, sizeof(ble_adv_data_t));
 522
 523         print_bt_properties(num_properties, properties);
 524         parse_device_properties(num_properties, properties, &dev_info, &adv_info, &properties_size);
 525
 526         BT_INFO("number of properties= [%d] total size [%u]", num_properties, properties_size);
 527
 528         if (dev_info.type != DEV_TYPE_BREDR) {
 529                 /* BLE Single or DUAL mode found, so it should have Adv data */
 530                 event_ble_dev_found_t * ble_dev_event = g_new0(event_ble_dev_found_t, 1);
 531
 532                 ble_dev_event->adv_len = adv_info.len;
 533
 534                 if (adv_info.len > 0 && adv_info.adv_data) {
 535                         memcpy(ble_dev_event->adv_data, adv_info.adv_data, adv_info.len);
 536                         ble_dev_event->adv_len = adv_info.len;
 537                 } else
 538                         ble_dev_event->adv_len = 0;
 539
 540                 ble_dev_event->device_info = dev_info;
 541
 542                 event_data = ble_dev_event;
 543                 event = OAL_EVENT_ADAPTER_INQUIRY_RESULT_BLE;
 544         } else {
 545                 /* BREDR device, so No Adv data */
 546                 event_dev_found_t * dev_event = g_new0(event_dev_found_t, 1);
 547
 548                 memcpy(dev_event, &dev_info, sizeof(remote_device_t));
 549                 event_data = dev_event;
 550                 event = OAL_EVENT_ADAPTER_INQUIRY_RESULT_BREDR_ONLY;
 551         }
 552
 553         send_event(event, event_data, properties_size);
 554
 555         BT_DBG("-");
 556 }